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Product: Daily Forecast of Geomagnetic Activity
Issued: 2023 November 28 17:02UTC
Prepared by the Athens Space Weather Forecasting Center
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1. Solar activity
Solar activity was decreasing stable during the past 24 hours.
Solar Flux (10.7 cm) measured on 27.11.2023 at 20:00 UTC was 187 sfu.
The background X-Ray flux is at the class C1.6 level.
The geomagnetic field was at quiet levels on November 27.
A CME was observed on November 27 at 06:48 UT. This CME was expected to reach Earth on November 30 between at 05:57 UT and at 10:35 UT according to EAM predictions. 
No obviously Earth directed CMEs were observed in available LASCO imagery.
The Kp index now is at quiet levels with Kp=2.

2. Solar Wind Geomagnetic Activity
Solar Wind speed from ACE: 425 km/s.
Solar Wind speed from STEREO A: 400 km/s.
Solar Wind speed from STEREO B: - km/s.
The southward component Bz is: 2 nT north.

3. Solar Energetic Particle Events
Protons and electrons are quiet.

4. Coronal Holes
No obvious coronal holes are currently in the visible solar disk.

5. Geophysical Activity Forecast
The geomagnetic field is expected to be at quiet to unsettled levels on November 28-29 and at quiet to minor storm (G1) levels on November 30.

   Date      Estimated Ap index      Expected geom. storm
2023.11.28           05                        -
2023.11.29           10                        -
2023.11.30           20                        G1

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Athens Space Weather Forecasting Center
Physics Department, National & Kapodistrian University of Athens
Athens Neutron Monitor Station A.NE.MO.S
Tel.: +30 210 727 6901
email: spaceweather@phys.uoa.gr
URL: http://spaceweather.phys.uoa.gr
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